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Fused Mullite
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Product Code : SC- FM70/SC-FM75

Fused Mullite is produced by melting mixed pure quartz sand and industrial alumina in huge electric Arc furnace .With the high content of mullite crystal, high melting point, excellent thermal stability, low reversible thermal expansion and resistance to thermal shock and chemical corrosion at high temperature, the fused mullite can be widely used as lining bricks in glass body kiln and large hot wind furnace in iron-making blast furnace, as well as in ceramic kiln and performance.

Fused Mullite's detailed indexes table :
  FM-70 FM-75
Al2O3 70-74 74-77
SiO2 25-28 22-25
Fe2O3 0.1max 0.1max
K2O+Na2O 0.5max 0.5max
CaO 0.3max 0.3max
Mullite phrase content(%) 95min
Glass phase content(%) 5max
Linear expansion coefficient(1/℃) -6.0*10-6
Ture density(g/cm3) 3.2min
Refractoriess(℃) 1840min
Grain size of section sand(mm) 0-1/1-3/3-5
Powder(mesh) -200 -325
Customer's special size requirements are also available.
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